title: Factor structure of the Motor-Free Visual Perception Test-3rd edition (MVPT-3).
abstract: BACKGROUND
  The Motor-Free Visual Perception Test-3rd edition (MVPT-3) is commonly used to assess the visual perceptual functioning of adults. MVPT-3 users need to be knowledgeable about its factor structure and dimensionality.
  
  
  OBJECTIVE
  To investigate the factor structure and dimensionality of the MVPT-3 when used with adults with and without neurological impairment.
  
  
  METHODS
  The MVPT-3 scores of 221 participants aged 20+ years (49 with and 172 without neurological impairment) were used to complete a principal components analysis of the MVPT-3 scale.
  
  
  RESULTS
  The MVPT-3 test items loaded upon 11 viable factors, accounting for 58.15% of the test's total variance.
  
  
  CONCLUSIONS
  The MVPT-3 exhibited multidimensionality instead of the predicted unidimensionality and therefore may not be an appropriate measure of overall visual perceptual ability in its current format. Consequently, healthcare professionals who use the MVPT-3 to assess the visual perception of their clients should exercise caution when attempting to interpret its results.
authors.affiliation: Department of Occupational Therapy, School of Primary Health Care, Faculty of Medicine, Nursing & Health Sciences, Monash University-Peninsula Campus, Building G, 4th floor, McMahons Road, Frankston, VIC, 3199, Australia. ted.brown@monash.edu
authors.forename: Ted
authors.initials: T
authors.lastname: Brown
authors.forename: Stephen
authors.initials: S
authors.lastname: Elliott
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005163:Factor Analysis, Statistical; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009483:Neuropsychological Tests; D009788:Occupational Therapy / Q000379:methods; D015203:Reproducibility of Results; D014796:Visual Perception; D055815:Young Adult